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8
2004 Algebra #8
2004 Algebra #8
Source:
December 26, 2011
Problem Statement
Let
x
x
x
be a real number such that
x
3
+
4
x
=
8
x^3+4x=8
x
3
+
4
x
=
8
. Determine the value of
x
7
+
64
x
2
x^7+64x^2
x
7
+
64
x
2
.
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